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PioneerBig Japanese manufacturer of home and car audio and video products, traditionally strong with recording devices and loudspeakers. Also owns the TAD brand although it's only being used currently in Japan for high end loudspeaker products. Originally founded in 1938 as a radio workshop and grew in to Asia's largest manufacturer of loudspeakers in the 1950's, but where mostly active in the West as an OEM, in fact Pioneer branded products were not sold in the West until 1972. While most people associate the company with quality audio products they have been heavily into AV products for a long while, the first modern cable TV system was designed by them in the early 1970's and they where the main backer of the Laserdisc system after Philips and MCA backed out and indeed they are the current owner of Discovision Associates. Pioneer Electronic (Taiwan) also known as PTW is a manufacturer of loudspeaker parts and drivers.Homepage:http://www.pioneer.co.jp -- Pioneer Europe -- Pioneer North America -- Pioneer Central Asia -- Pioneer Electronic (PTW).Distributed in Argentina by Newsan, in Australia by Australis Music (DJ products only), in Austria by Hans Lurf and in Iceland by Brćđurnir Ormsson

Pi SpeakersUSA based manufacturer of mid to high end loudspeakers and loudspeaker kits, note that the Pi in the name is actually π..Homepage:http://www.pispeakers.comPi Speakers, P.O.Box 702006, Tulsa, OK 74170, USA.Tel: +908 663 2131. E-Mail: Wayne at PiSpeakers.com.

USA based digital audio specialist, makes high end CD-Players, DAC's and SACD players under the Playback Designs name, but also offers custom digital audio design services and offers DAC boards and modules with PCM and DSD capabilities that companies can integrate into their own designs, the services and modules are marketed under the AK Design name. Company founded in 2008 by Andreas Koch (ex-Sony).Distribution:

Norwegian company, primarily a dealer and distributor of high end audio products but also manufactures interconnects and loudspeaker cables under the Black Magic Cables brand and isolation cones under the Black Magic Cones name. Company originally founded in 1997 and named after owner Paul Mortensen, but the concern is still run by him and his wife Marion

Polyconcept USAUSA based CE marketing company, amongst other products it sells vintage styled turntables, radios and boomboxes under licensed brand names such as RCA, Coca-Cola, Magnavox and others, the company has a number of brands that it own that have a variety of nostalgically themed products like US Basic and Spirit of St.Louis, furthermore it has in the recent past sold audio products under other licensed brandnames such as Philco.Homepage:http://www.polyconceptusa.comPolyconcept USA, 69 Jefferson Street, Stamford, CT 06902, USA.Tel: +(203) 358 8100. Fax: +(203) 358 8366..

PolyfusionUSA based manufacturer of high end amplifiers, D/A converters, CD players and similar products. Company was started by ex-Moog Music engineers in the early 70's and for the first few years made only modular music synthesisers, when that market bombed in the early 80's the company started making professional audio products mostly intended for the broadcast market but appears to have exited that market segment as well.Homepage:http://www.polyfusionaudio.com